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190296209 = 541351749
BaseRepresentation
bin10110101011110…
…11000010010001
3111021002001022202
423111323002101
5342203434314
630514412545
74500330305
oct1325730221
9437061282
10190296209
11984653a4
1253891155
133056a50c
141b3b7d05
1511a8e0de
hexb57b091

190296209 has 4 divisors (see below), whose sum is σ = 190648500. Its totient is φ = 189943920.

The previous prime is 190296193. The next prime is 190296247. The reversal of 190296209 is 902692091.

190296209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 152596609 + 37699600 = 12353^2 + 6140^2 .

It is a cyclic number.

It is not a de Polignac number, because 190296209 - 24 = 190296193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190296109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175334 + ... + 176415.

It is an arithmetic number, because the mean of its divisors is an integer number (47662125).

Almost surely, 2190296209 is an apocalyptic number.

It is an amenable number.

190296209 is a deficient number, since it is larger than the sum of its proper divisors (352291).

190296209 is an equidigital number, since it uses as much as digits as its factorization.

190296209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352290.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 190296209 is about 13794.7891973745. The cubic root of 190296209 is about 575.1883027885.

The spelling of 190296209 in words is "one hundred ninety million, two hundred ninety-six thousand, two hundred nine".

Divisors: 1 541 351749 190296209